TUTORIALS POINT
int indexOf(String str)
Description:
This method has following different variants:
public int indexOf(int ch): Returns the index within this string of the first occurrence of the specified
character or -1 if the character does not occur.
public int indexOf(int ch, int fromIndex): Returns the index within this string of the first occurrence of
the specified character, starting the search at the specified index or -1 if the character does not occur.
int indexOf(String str): Returns the index within this string of the first occurrence of the specified
substring. If it does not occur as a substring, -1 is returned.
int indexOf(String str, int fromIndex): Returns the index within this string of the first occurrence of the
specified substring, starting at the specified index. If it does not occur, -1 is returned.
Syntax:
Here is the syntax of this method:
public int indexOf(int ch )
or
public int indexOf(int ch,int fromIndex)
or
int indexOf(String str)
or
int indexOf(String str,int fromIndex)
Parameters:
Here is the detail of parameters:
ch -- a character.
fromIndex -- the index to start the search from.
str -- a string.
Return Value:
See the description.
Example:
import java.io.*;
public class Test{
public static void main(String args[]){